Applicator for chirometers



Nov. 15, 1927. 1,648,942

G. R. HAYMAN APPLICATOR FOR CHIROMETERS Filed Aug. 4. 1925 2 Sheets-Sheet l Nov. l5, 1927.`

s. R. HAYMAN APPLICATOR FOR CHIROIETERS Filed Aug. 4. 1925 2 Sheets-Shut 2 Say - Patented Nov. l5, 1927.

UNITED STATES PATENT OFFICE.

GEORGE R. HAYMAN, 0F BAY SHORE, NEW YORK.

APPLICATOR FOR CHIROMETERS.

Application lediAugust 4, 1925. Serial No. 48,088.

nection with a chirometer with means Where-` by a pair of pole pieces which are directly contacted With points on opposite sides along thespine may be readily changed in their mutual spaced relation for adjusting the applicator upon the spines of different patients.

Still another object of my invention is to provide a hand applicator for use with a chirometer Where a positive indication is` given of the spaced relation of the pole pieces of a hand applicator in order that the same hand applicator may be used for taking observation of the pathological condition along the spines of diierent patients.

A. still further object of my invention is to provide a construction of hand applicator for use in comparative temperature measurements along thespine where a pair of adjustable pole pieces each containing a plurality of thermocouples is provided with a construction of grip which will readily enable the applicator to be pressed in contact on opposite sides of the spinal column.

VStill other objects ofmy invention will be understood from the specification hereinafter following by reference to the accompanying drawings, in which:

Figure 1 is a side elevation of the hand applicator of my invention; Fig. 2 is a front view showing the diering spaced -relationships which the pole pieces of the applicatoi'vrlay'occupy for taking observations along the spinal columns of different pal tients; Fig. 3 is a plan view looking in the j direction of the thermocouples which are' mounted in each of the pole pieces of the hand applicator; Fig. 4 is a View ofthe hand applicator partially in cross-section showing the means which I provide for adjusting the spaced relationship between the pole pieces; Fig. 5 is a longitudinal cross-sectional view taken alongline 5-5 of Fig. 4 and showing the grip which is provided for enabling the applicator to be pressed firmly along the spinal column of the patient under treatment; Fig. 6 is a fragmentary View illust-rating the construction ofthe adjusting mechanism by which the spaced relationship of the'pole pieces may be varied; Fig. 7 is a perspective view of one of the insulated Supporting blocks for the thermocouples which are carried within the pole pieces 'of the hand applicator; and Fig. 8 is a theoretical diagram illustrating the dierent positions in which the pole pieces of the hand applicator may be set for observin the pathological conditions along the splnal columns of diiferent patients.

My invention has particular reference to the determination of the pathological condition Ialong the spinal column for simulta- Y.neous comparison of temperature along the spinal column. I provide a pair of thermocouples which may be pressed into engagement with opposite. sides of the spinal column with-connections between the thermocouples and a sensitive galvanometer by which the energy generated by the rise) in temperature of the thermocouples may be readily measured. l

In taking observations along the spinal column it is found that the spinal columns of different patients vary in size. The spinal column of an adult is developed more than that of a minor. In order that the hand applicator which carries the thermocouples may be used for various patients, I provide adjustable means whereby the thermocouples may be varied in their spaced relationship. In order that a positive record may be maintained of the required spacing of the thermocouples in taking observations of a particular patient, I provide positive indication means sh'owing the spaced relationship of the thermocouples during a particular set of readings and this indication may be kept as a record forfuture reference to enable the applicator. to be again. adjusted with the thermocouples in proper spaced relationship for repeating observation of the patientI Y Referring to the drawings in more detail, reference character 1 indicates a hand grip which is connected/with a body portion 2 of the hand applicator by any suitable means` or, the handle `1 may be cast integral with j the body portion 2. A pair of angularly" disposed members 3 and 4 are journaled adjacent their upper ends, as indicated at 5 and 6, within the body portion 2 with the ends thereof extending inwardly past the pivot points 5 and 6 and carrying screw threaded members 7 and 8 therein which cooperate with a screw feed mechanism actuated' by rotatable member 10. The screw feed mechanism consists of oppositely directed screw threads 11 and 12 engaging with the screw threaded members 7 and 8 so that opposite motion is imparted to the angularly disposed members 3 and 4 when the rotatable member l() is moved in a clockwise or counterclockwise direction. The angularly disposed members 3 and 4 extend downwardly and terminate in cylindrical portions 14 and 15 each having a circular terminal ring 16 and 17 at thel .extremity thereof. These cylindrical portions serve as carriers for heads 18 and 19 which are seated against the extremities of the cylindrical portions land 17. Each head serves as a pole piece in which is housed a plurality of thermocouples. The thermocouples are mounted upon insulated block members 2O and 21, shown more particularly in Fig. 7. Each block member has a supporting portion 22 which engages with the inside of 'the head. The portion of the block over which the thermocouples are arranged as concave faces 23, 24 and 25, and the thermocouples are stretched taut, as indicated at 26 and 27 in Fig. 3. In the body portion 2 of the hand applicator I journal a shaft member 28 to one end of which is connected an indicator 29 which .moves throughv dierent angles `4 over a scale 30 on the body portion 2. The

rotatable shaft 28 is linked through levers 31 and 32 with one of the angularly disposed pole pieces. I have represented the lever 32- as pivoted to the angularly disposed pole piece 4 at 33. n

As the. pole pieces are brought together by moving the rotatable member 10, lever 32 moves against lever 31Aand detlects the indica-tor 29 in proportion to the deflection of the pole pieces 3 and 4. ,This dial has been found very convenient in enabling a record v to be kept of the spaced relationship between the pole pieces when the chiropractor applies. the applicator to the spinal column of different patients, so that on re-checking the readings the chiropractor may place the pole pieces'v in exactly the same locationk as that in which'the readings were originally taken, regardless ofv the lapse of timebetween the readings.

Fig. 8 'is a theoreticaldiagram representing the position of the pole pieces in takingv observations ofderent patients. AIcenter. line 34 has been drawn representative of the Vspinalwcolumn. The circular indications vat 35 represetne spaced relationship which the pole pieces may occupyl in taking 0bservations of one patient, while positions 36 and 37 show other spaced relationships which may be required of vthe pole pieces in taking observations of other patients. Indicator 29 and the readings given on scale 30 enable the pole pieces to be again set into correct spaced relationship for again observing th'e condition of nerve pressure of the `patient under treatment. I have shown each of the thermocouples interconnected by conductors which pass through the angularly disposed pole pieces and out through the hand grip to the galvanometer circuit. rlhe conductors are suit` ably insulated from the metal of the applicator and wherethe conductors are exposed they are sullieiently flexible so as not cator comprising ai body portion, a handjgrip secured to saidlbody portion, a pair of pivotally mounted arms carried by'said body portion, a thermocouple carried by the 'extremity of each of said arms, and a rotatable screw member journaled between the opposite ends of said arms said rotatable screw member having 'a linger actuator intermediate the ends thereof with right and left screw threads on opposite sides of said nger actuator engaging the ends of said arms for varying the angular disposition thereof, whereby the dlstances between said thermocouples may be adjusted to corre`VV spond with the characteristics of the spinal column of the pa-tient. j

2.. In an apparatus for locating pathological conditions along the spine .by comparative temperature observations, a hand applicator comprising a body portion,4 a hand grip secured to said body portion, a pair of lpivota-lly mounted arms disposed in said body portion, a thermocouple carried in the' extremities ofsald arms, journals in said body portion for each of said arms, andv a rotatable screw member having a linger actuator secured thereon and projecting ybevond said body portion, said screw member being oppositely threaded atthe sides of said linger actuator for engaging said arms for rocking `said arms about saldjournals and adjusting .the spaced relationship of said thermocouples to correspond with characteristics of the spinal column of a patient under observation. i

3. In an apparatus foi` locating'pathological conditions along the spine by comparative temperature observations` a hand applicator comprising a body portion, a hand grip secured to said body portion, a pair of pole pieces journaled upon independent axes in said body portion, a thcrmocouple carried in the extremity of each of said pole pieces. and a rotatable screw device comprising a manual control member and a pair of screw threaded members extending in opposite directions therefrom, said screw threaded members engaging portions of said pole pieces -for rocking said pole pieces about said independent axes for varying the spaced relationshipbetween said thermocouples in accordance with the characteristics of the spinal column of a patient under observation.

4. In an apparatus for locating pathological conditions along the spine by comparative temperature observations, a handapplicator comprising a. body portion, a hand grip secured to said body portion. a pair of pole pieces journaled in said body portion, a thermocouple carried in the extremities of each of said pole pieces, means for changing the spaced relationship between said pole pieces, and means for simultaneously indicating the relative distances between said thermocouples, for determining the spaced relationship of said thermocouples for spinal columns of different characteris tics.

5. In an apparatus for locating pathological conditions along the spine by comparative temperature observations, a hand applicator comprising a body portion, a hand grip secured to said body portion, a pair of pole pieces journaled in said body portion. a thermoconple carried in the extremities of each of said pole pieces, means comprisingr a manual control member and a pair of screw threaded members extending in opposite directions therefrom, said screw threaded members engaging portions of said pole pieces for changing the spaced relationship between said pole pieces, and an indicator actuated by the change in position between said pole pieces for positively indicating' the spaced relationship of said thermocouples for spinal columns of different characteristics.

6. In an apparatus for locating pathological conditions along the spine by comparative temperature observations, a hand applicator comprising a body portion, a hand grip secured to said body portion, a pair of pole pieces journaled in said body portion, a thermocouple carried in the extremities `of each of said pole pieces, means for changing the spaced relationship between said pole pieces, a rotatable indicator carried by said body portion, and a link connection between one of said pole pieces and said rotatable indicator whereby a change in the spaced relationship of said pole pieces is simultaneously shown by said rotatable indicator for enabling said thermocouples to be set in desired spaced relationship for taking observations of spinal columns of diiferent char acteristics.

7. In an apparatus for locating pathological conditions along the spine by comparative temperature observations, a hand applicator comprising a body portion, a hand grip secured to said body portion, a pair of pole pieces journaled in said body portion, a thermocouple carried in the extremities of each of said pole pieces, means for changing the spaced relationship between said pole pieces, a rotatable indicator journaled inl said body portion, and a plurality of levers disposed between said rotatable indicator and one of said pole pieces whereby upon change in position of said pole pieces the relative spaced relationship of said thermocouplcs may be shown for enabling said thermocouples to be set in proper spaced relationship vfor taking observations of spinal columns of different characteristics.

8. In an apparatus for locating` pathological conditions along the spine by compara` tive temperature tests, a hand applicator comprising a body portion, a hand grip secured to said body portion, a pair of pole pieces pivotally mounted in said body portion, said pole pieces extending in opposite directions from the pivot points thereof and carrying thermocouples at one extremity thereof, screw threaded members secured in the opposite extremities of said pole pieces, a rotatable member journaled in said body portion and having oppositely pitched screw threads thereon engaged with said screw threaded members, whereby said pole pieces may be rocked about the pivots thereof for varying the spaced relationship between said thermocouples' in accordance with the characteristics of spinal columns of different patients under observation.

9. In an apparatus for locating pathological conditions along the spine by comparative temperature observations, a pair of pole pieces, an insulated block carried by each of said pole pieces, each of said blocks having a plurality of concave surfaces coextensive with lia-t edge portionspthereon, thermocouples carried by the extremities of said pole pieces, and disposed across one of said concave surfaces in position whereby said thermocouples may be pressed in contact with the spina-l column of a patient.

In testimony whereof I aiix my signature.

GEORGE R. HAYMAN.

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